Home / 131,661.19-181,714.18-80,702.27

Finding the Fourth Proportional to 131,661.19, 181,714.18 and 80,702.27

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Solution

The fourth proportional to 131,661.19, 181,714.18 and 80,702.27 is: 111,382.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,661.19 : 181,714.18 = 80,702.27 : x
  2. Step 2: Convert to fraction form
    131,661.19/181,714.18 = 80,702.27/x
  3. Step 3: Cross multiply
    131,661.19x = 181,714.18 × 80,702.27
  4. Step 4: Simplify right side
    131,661.19x = 14,664,746,817.19
  5. Step 5: Solve for x
    x = 14,664,746,817.19/131,661.19
  6. Step 6: Final answer
    x = 111,382.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.